This is the one of few major visual thing that bothers me in SnowRunner and it seems to be present in Expeditions, the track patterns left by the wheels don't match the tire tread.

How is it done? The game has a small black & white image file (+ a heightmap) that's being turned into a parallax map of the tracks left behind, each wheel has a filepath to attach this effect, but in SnowRunner, there's a total of 4 of them to supply over 40 unique tires the game offers, the only tires that gotten a unique track pattern were the Kirovets K-7M's. It seems to be a rather small low-effort addition that adds much more to the visual fidelity of mud, to create a two unique files per tire to mimic the tire's tread on tracks.

So please, consider spending some time to supply each tire with its own track pattern left on the ground.